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现有8名奥运会志愿者，其中志愿者A1，A2，A3通晓日语，B1，B2，B3通晓俄语，C1，C2通晓韩语。从中选出通晓日语、俄语和韩语的志愿者各1名组成一个小组。（1）求A。被选中的概率；（2）求B1和...
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中学教师招聘考试《问答》真题及答案
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现有8名奥运会志愿者其中志愿者A1A2A3通晓日语B1B2B3通晓俄语C1C2通晓韩语从中选出通晓
大学四年级某班共有50名同学其中奥运会志愿者10人全运会志愿者17人30人两种志愿者都不是则班内是全
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大学四年级某班共有50名同学其中奥运会志愿者10人全运会志愿者17人30人两种志愿者都不是则班内是全
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现有8名奥运会志愿者其中志愿者通晓日语通晓俄语通晓韩语从中选出通晓日语俄语和韩语的志愿者各l名组成一
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数学课程设计要满足学生______的需要使学生掌握必需的数学______和______发展学生的抽象思维和推理能力．
智力高者创造力必定高．
教师最基本的权利是______．
已知复数z=a+biab∈R+i是虚数单位是方程x2-4x+5=O的根复数ω=u+3iu∈R满足求u的取值范围．
在教学史上先后出现的影响较大的教学组织形式有____________分组教学和道尔顿制等．
中国古代就有不愤不启不悱不发这种启发之说提出这一思想的是______．
说课的基本要求包括
那本告诉我很多有趣的事的书是用英语写的
函数fx=2cos2x+sin2x的最小值是．
Ifyouoftenfeeltiredandthedoctorcan’tfindanythingwrongwithyouyoumaybeinastateofSubhealth亚健康.Subhealthisastatebetweenhealthandillness.Mostofthesubhealthypeoplearemiddle-agedoneswhoareusuallystressedoutbecauseofworkandfamily.Andsomeofthemarestudentswhoarehavingexams.Ifyouaresubheahltyitisnotdifficultforyoutobecomewellsoon.Youshouldhavegoodlivinghabits.Forexampleyoushouldgetupearlyandgotobedearly.Andyoushouldexerciseregularly.Exercisingcankeepyouhealthy.Asformealsitisbettertoeatlesssaltandsugar.Vegetablesfruitandfishareimportanttoyourbody.Youshouldeatmoreofthem.Itisnotgoodtoeattoomuchatonemealbecauseitmaycauseunhealthychangesinthedigestivetract消化道.Andatlastabalanceddietisveryhelpfulinstayingawayfromsubhealth.Whatisthemainideaofthepassage
若将函数x＞0的图像向右平移个单位长度后与函数y=tanwx的图像重合则w的最小值为．
设双曲线的渐近线与抛物线y=x2+1相切则该双曲线的离心率e等于 B．2
设函数fx=-xx-a2x∈R其中a∈R．1当a=1时求曲线y=fx在点2f2处的切线方程2当a≠0时求函数fx的极大值和极小值
有些专家把______称为危险期或心理断乳期．
学生们通过在一起学习和玩耍而成了朋友
Somespidershuntonthegroundothersbuildwebstotraptheirfoodbutthegrasswaterspidercatchesitspreybyrunningalongthesurfaceofthewater.Thisspecialwaterspiderlivesonthegrassybanksofstreamswheremosquitoesdamselfliesandotherinsectscometofeedandbreed.AlthoughitisoneofthelargestspidersinNewZealandithasanunusualability.Itdoesn’tdisturbthewaterasitwaitsforitsmealandthereisbarelyaripplewhenitskimsacrossthesurfaceatlightningspeedtocatchitsprey.Grasswaterspidersdealswiftlywithlargerinsectslikedamselfliesbypullingtheirheadsunderthewaterandholdingthemthereuntiltheydrown.Afteramealthegrasswaterspiderspendsuptohalfanhourgroomingitself.Itwipesitseighteyesbrushesitsantennaeandtakesspecialcaretocleanthehairsonitsbody.Itisthehairsthattraptinybubblesofairsothatthespidercanrundownabladeofgrassandstayunderwaterforuptoanhourwhenitisfrightened.Thehairsalsokeepthespiderdryevenunderwater.Itisonlywhenthefemalespideriscaringfortheyoungthatshedoesnothuntonthewater.Aftermatingsheproducesalargeeggsacwhichshecarriesaroundforfiveweeks.Oncetheeggsstarttohatchsheattachesthesactosomebladesofgrassorathistle.Shethentearsthesacopenandreleasesthetinyspidersintothenurseryweb.Thewriterdescribesthespecialspiderasspecialbecause______.
Somespidershuntonthegroundothersbuildwebstotraptheirfoodbutthegrasswaterspidercatchesitspreybyrunningalongthesurfaceofthewater.Thisspecialwaterspiderlivesonthegrassybanksofstreamswheremosquitoesdamselfliesandotherinsectscometofeedandbreed.AlthoughitisoneofthelargestspidersinNewZealandithasanunusualability.Itdoesn’tdisturbthewaterasitwaitsforitsmealandthereisbarelyaripplewhenitskimsacrossthesurfaceatlightningspeedtocatchitsprey.Grasswaterspidersdealswiftlywithlargerinsectslikedamselfliesbypullingtheirheadsunderthewaterandholdingthemthereuntiltheydrown.Afteramealthegrasswaterspiderspendsuptohalfanhourgroomingitself.Itwipesitseighteyesbrushesitsantennaeandtakesspecialcaretocleanthehairsonitsbody.Itisthehairsthattraptinybubblesofairsothatthespidercanrundownabladeofgrassandstayunderwaterforuptoanhourwhenitisfrightened.Thehairsalsokeepthespiderdryevenunderwater.Itisonlywhenthefemalespideriscaringfortheyoungthatshedoesnothuntonthewater.Aftermatingsheproducesalargeeggsacwhichshecarriesaroundforfiveweeks.Oncetheeggsstarttohatchsheattachesthesactosomebladesofgrassorathistle.Shethentearsthesacopenandreleasesthetinyspidersintothenurseryweb.Thepurposeofthepassageisto______.
启发学生数学学习的关键有以下几个词________________________．
已知求f′0．
教育思想具体包括____________和______三个部分．
Iwouldalmostratherseeyoudead.BobertS.CassattaleadingbankerofPhiladelphiashoutedwhenhistwenty-year-oldeldestdaughterannouncedthatshewantedtobecomeanartist.Inthe19thcenturyplayingatdrawingorpaintingondisheswasallrightforayoungladybutseriousworkinartwasnot.Andwhentheyounglady’sfamilyrackedamongthebestofPhiladelphia’ssocialfamiliessuchanideacouldnotevenbeconsidered.ThatwashowMaryCassattborn1844beganherstruggleasanartist.Shedidnottremblebeforeherfather’sangersheopposedhimwithcourageandatlastmadehimchangehismind.MaryCassattgaveuphersocialpositionandallthoughtsofathousandandafamilywhichinthosetimeswasunthinkableforayounglady.IntheendafterlongyearsofhardworkandperseveranceshebecameAmerica’smostimportantwomanartistandtheinternationallyrecognizedleadingwomanpainterofthetime.WhatdoweknowaboutMaryCassatt’smarriage
设函数若fa=2则实数a=．
[提示]1不少学生可能抽烟学生中抽烟的人数还在增多 2一份调查报告透露某校有五分之二以上的学生抽烟有些学生甚至偷了钱买烟 3对中学生来说抽烟的危害比成年人更大抽烟不仅有害于身体还有害于思想 4中学生是国家未来的建设者抽烟的学生该下决心戒烟了 请根据上面的提示写一篇题为GiveUpSmoking的短文字数约120字
教学工作的基本环节是备课上课______作业批改成绩考核四个环节组成．
双曲线的准线方程是．
有时可用函数描述学习某学科知识的掌握程度． 其中x表示某学科知识的学习次数x∈N+fx表示对该学科知识的掌握程度正实数a与学科知识有关． 证明当x≥7时掌握程度的增加量fx+1-fx总是下降
Ifyouoftenfeeltiredandthedoctorcan’tfindanythingwrongwithyouyoumaybeinastateofSubhealth亚健康.Subhealthisastatebetweenhealthandillness.Mostofthesubhealthypeoplearemiddle-agedoneswhoareusuallystressedoutbecauseofworkandfamily.Andsomeofthemarestudentswhoarehavingexams.Ifyouaresubheahltyitisnotdifficultforyoutobecomewellsoon.Youshouldhavegoodlivinghabits.Forexampleyoushouldgetupearlyandgotobedearly.Andyoushouldexerciseregularly.Exercisingcankeepyouhealthy.Asformealsitisbettertoeatlesssaltandsugar.Vegetablesfruitandfishareimportanttoyourbody.Youshouldeatmoreofthem.Itisnotgoodtoeattoomuchatonemealbecauseitmaycauseunhealthychangesinthedigestivetract消化道.Andatlastabalanceddietisveryhelpfulinstayingawayfromsubhealth.Howmayyoufeelifyou’resubhealthy
先行组织者教学策略是一种的教学技术
圆心在原点上与直线x+y-2=0相切的圆的方程为______．
Ifyouoftenfeeltiredandthedoctorcan’tfindanythingwrongwithyouyoumaybeinastateofSubhealth亚健康.Subhealthisastatebetweenhealthandillness.Mostofthesubhealthypeoplearemiddle-agedoneswhoareusuallystressedoutbecauseofworkandfamily.Andsomeofthemarestudentswhoarehavingexams.Ifyouaresubheahltyitisnotdifficultforyoutobecomewellsoon.Youshouldhavegoodlivinghabits.Forexampleyoushouldgetupearlyandgotobedearly.Andyoushouldexerciseregularly.Exercisingcankeepyouhealthy.Asformealsitisbettertoeatlesssaltandsugar.Vegetablesfruitandfishareimportanttoyourbody.Youshouldeatmoreofthem.Itisnotgoodtoeattoomuchatonemealbecauseitmaycauseunhealthychangesinthedigestivetract消化道.Andatlastabalanceddietisveryhelpfulinstayingawayfromsubhealth.Whatshouldyoudoifyouaresubhealthy
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